I will queue politely if there is no obstruction behind ; however I will not queue onto a road where I might get rear ended - in that event I will either drive around and choose a pump , or I will go elsewhere .
I sometimes find people are reluctant to pass other cars to get to a front pump , where the front car has finished and gone , but the one behind is still filling up - more than once I have driven past queing cars ( after waiting long enough to see if they will move ) just because they won't pass another car to get to the front pump .
I will go to a pump on the correct side , given the choice , but am happy to go to the other side and extend the hose if needed , holding the hose clear of my car if needed . Most garages have signage directing people to use either side as available ; if some operator tried not authorising my pump - I would blast the horn to get their attention , then complain loudly and write in to head office .